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<?php |
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/** |
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* This file is part of the BEAR.Resource package. |
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* |
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* @license http://opensource.org/licenses/MIT MIT |
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*/ |
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namespace BEAR\Resource; |
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use BEAR\Resource\Annotation\ResourceParam; |
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use Doctrine\Common\Annotations\Reader; |
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use Doctrine\Common\Cache\Cache; |
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use Ray\Di\Di\Assisted; |
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use Ray\Di\InjectorInterface; |
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use Ray\WebContextParam\Annotation\AbstractWebContextParam; |
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final class NamedParameter implements NamedParameterInterface |
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{ |
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/** |
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* @var Cache |
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*/ |
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private $cache; |
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/** |
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* @var Reader |
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*/ |
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private $reader; |
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/** |
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* @var InjectorInterface |
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*/ |
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private $injector; |
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/** |
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* @var array |
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*/ |
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private $globals; |
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public function __construct(Cache $cache, Reader $reader, InjectorInterface $injector, array $globals = []) |
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{ |
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$this->cache = $cache; |
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$this->reader = $reader; |
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$this->injector = $injector; |
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$this->globals = $globals; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getParameters(array $callable, array $query) |
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{ |
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$cacheId = __CLASS__ . get_class($callable[0]) . $callable[1]; |
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$names = $this->cache->fetch($cacheId); |
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if (! $names) { |
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$names = $this->getNamedParamMetas($callable); |
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$this->cache->save($cacheId, $names); |
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} |
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$parameters = $this->evaluateParams($query, $names); |
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return $parameters; |
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} |
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/** |
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* Return evaluated parameters |
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* |
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* @param array $query caller value |
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* @param ParamInterface[] $names Param object[] ['varName' => ParamInterface] |
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*/ |
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private function evaluateParams(array $query, array $names) : array |
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{ |
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$parameters = []; |
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foreach ($names as $varName => $param) { |
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/* @var $param ParamInterface */ |
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$parameters[] = $param($varName, $query, $this->injector); |
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} |
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return $parameters; |
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} |
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/** |
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* Return named parameter metas |
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*/ |
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private function getNamedParamMetas(callable $callable) : array |
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{ |
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$method = new \ReflectionMethod($callable[0], $callable[1]); |
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$parameters = $method->getParameters(); |
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$annotations = $this->reader->getMethodAnnotations($method); |
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$assistedNames = $this->getAssistedNames($annotations); |
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$webContext = $this->getWebContext($annotations); |
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$namedParamMetas = $this->addNamedParams($parameters, $assistedNames, $webContext); |
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return $namedParamMetas; |
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} |
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private function getAssistedNames(array $annotations) : array |
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{ |
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$names = []; |
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foreach ($annotations as $annotation) { |
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if ($annotation instanceof ResourceParam) { |
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$names[$annotation->param] = new AssistedResourceParam($annotation); |
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} |
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if ($annotation instanceof Assisted) { |
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$names = $this->setAssistedAnnotation($names, $annotation); |
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} |
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} |
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return $names; |
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} |
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private function getWebContext(array $annotations) : array |
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{ |
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$webcontext = []; |
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foreach ($annotations as $annotation) { |
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if ($annotation instanceof AbstractWebContextParam) { |
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$webcontext[$annotation->param] = $annotation; |
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} |
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} |
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return $webcontext; |
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} |
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private function setAssistedAnnotation(array $names, Assisted $assisted) : array |
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{ |
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/* @var $annotation Assisted */ |
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foreach ($assisted->values as $assistedParam) { |
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$names[$assistedParam] = new AssistedParam; |
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} |
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return $names; |
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} |
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/** |
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* @param \ReflectionParameter[] $parameters |
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* @param array $assistedNames |
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* @param array $webcontext |
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* |
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* @return ParamInterface[] |
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*/ |
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private function addNamedParams(array $parameters, array $assistedNames, array $webcontext) : array |
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{ |
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$names = []; |
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foreach ($parameters as $parameter) { |
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if (isset($assistedNames[$parameter->name])) { |
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$names[$parameter->name] = $assistedNames[$parameter->name]; |
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continue; |
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} |
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if (isset($webcontext[$parameter->name])) { |
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$default = $this->getDefault($parameter); |
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$names[$parameter->name] = new AssistedWebContextParam($webcontext[$parameter->name], $default); |
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continue; |
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} |
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$names[$parameter->name] = $this->getParam($parameter); |
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} |
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return $names; |
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} |
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private function getDefault(\ReflectionParameter $parameter) : ParamInterface |
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{ |
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return $parameter->isDefaultValueAvailable() === true ? new DefaultParam($parameter->getDefaultValue()) : new NoDefaultParam(); |
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} |
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private function getParam(\ReflectionParameter $parameter) : ParamInterface |
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{ |
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return $parameter->isDefaultValueAvailable() === true ? new OptionalParam($parameter->getDefaultValue()) : new RequiredParam; |
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} |
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} |
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bearsunday /
BEAR.Resource
